| NPK 0000080172 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2024-01-03 | 4 | FORM 4 | View Document |
| 2024-01-03 | 4 | FORM 4 | View Document |
| 2024-01-03 | 4 | FORM 4 | View Document |
| 2024-01-03 | 4 | FORM 4 | View Document |
| 2023-11-13 | 10-Q | FORM 10-Q | View Document |
| 2023-11-03 | 8-K | FORM 8-K | View Document |
| 2023-08-18 | 4 | FORM 4 | View Document |
| 2023-08-11 | 10-Q | FORM 10-Q | View Document |
| 2023-07-31 | 8-K | FORM 8-K | View Document |
| 2023-06-01 | 8-K | FORM 8-K | View Document |
| 2023-05-30 | SD | FORM SD | View Document |
| 2023-05-19 | 8-K | FORM 8-K | View Document |
| 2023-05-12 | 10-Q | FORM 10-Q | View Document |
| 2023-05-08 | 8-K | FORM 8-K | View Document |
| 2023-04-11 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2023-04-05 | 8-K | FORM 8-K | View Document |
| 2023-03-16 | 4 | FORM 4 | View Document |
| 2023-03-16 | 4 | FORM 4 | View Document |
| 2023-03-13 | 10-K | FORM 10-K | View Document |
| 2023-02-23 | 3 | FORM 3 | View Document |
| 2023-02-22 | 8-K | FORM 8-K | View Document |
| 2023-02-22 | 4 | FORM 4 | View Document |
| 2023-02-09 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2023-01-23 | SC 13G/A | View Document | |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 | View Document |
| 2023-01-06 | 4 | FORM 4 WITH POA | View Document |
| 2022-11-21 | 8-K | FORM 8-K | View Document |
| 2022-11-14 | 10-Q | FORM 10-Q | View Document |
| 2022-10-28 | 8-K | FORM 8-K | View Document |
| 2022-10-26 | 8-K | FORM 8-K | View Document |
| 2022-09-29 | 8-K | FORM 8-K | View Document |
| 2022-08-12 | 10-Q | FORM 10-Q | View Document |
| 2022-08-02 | 8-K | FORM 8-K | View Document |
| 2022-05-25 | SD | FORM SD | View Document |
| 2022-05-19 | 8-K | FORM 8-K | View Document |
| 2022-05-13 | 10-Q | FORM 10-Q | View Document |
| 2022-05-02 | 8-K | FORM 8-K | View Document |
| 2022-04-13 | DEF 14A | DEF 14A | View Document |
| 2022-03-16 | 4 | FORM 4 | View Document |
| 2022-03-16 | 4 | FORM 4 | View Document |
| 2022-03-16 | 4 | FORM 4 | View Document |
| 2022-03-11 | 10-K | FORM 10-K | View Document |
| 2022-02-14 | 8-K | FORM 8-K | View Document |
| 2022-02-10 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2022-02-01 | SC 13G/A | View Document | |
| 2022-01-27 | SC 13G/A | View Document | |
| 2022-01-25 | SC 13G/A | View Document | |
| 2022-01-06 | 4 | FORM 4 | View Document |
| 2022-01-06 | 4 | FORM 4 | View Document |
| 2022-01-06 | 4 | FORM 4 | View Document |
| 2022-01-06 | 4 | FORM 4 | View Document |
| 2022-01-04 | 4 | FORM 4 | View Document |
| 2022-01-03 | 4 | FORM 4 | View Document |
| 2022-01-03 | 4 | FORM 4 | View Document |
| 2022-01-03 | 4 | FORM 4 | View Document |
| 2022-01-03 | 4 | FORM 4 | View Document |
| 2021-11-12 | 10-Q | FORM 10-Q | View Document |
| 2021-11-01 | 8-K | FORM 8-K | View Document |
| 2021-09-30 | 8-K | FORM 8-K | View Document |
| 2021-08-13 | 10-Q | FORM 10-Q | View Document |
| 2021-08-02 | 8-K | FORM 8-K | View Document |
| 2021-05-27 | SD | FORM SD | View Document |
| 2021-05-20 | 8-K | FORM 8K DATED MAY 18, 2021 | View Document |
| 2021-05-14 | 10-Q | FORM 10-Q | View Document |
| 2021-05-05 | 8-K | FORM 8-K | View Document |
| 2021-04-16 | DEF 14A | DEF 14A | View Document |
| 2021-04-01 | 8-K | FORM 8K DATED MARCH 30, 2021 | View Document |
| 2021-03-17 | 4 | JEFF MORGAN FORM 4 WITHHOLDING SHARES FOR TAXES | View Document |
| 2021-03-17 | 4 | DAVID J PEUSE FORM 4 SHARES WITHHELD FOR TAXES | View Document |
| 2021-03-16 | 10-K | FORM 10-K | View Document |
| 2021-03-16 | 8-K | FORM 8-K | View Document |
| 2021-03-16 | 8-K | FORM 8-K | View Document |
| 2021-02-23 | 8-K | FORM 8-K | View Document |
| 2021-02-18 | 8-K | FORM 8-K | View Document |
| 2021-02-11 | SC 13G/A | JANUS HENDERSON GROUP PLC OWNS 0.0% | View Document |
| 2021-02-10 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2021-01-27 | SC 13G/A | View Document | |
| 2021-01-27 | SC 13G/A | View Document | |
| 2021-01-12 | 4 | FORM 4 | View Document |
| 2021-01-12 | 4 | FORM 4 | View Document |
| 2021-01-12 | 4 | FORM 4 | View Document |
| 2021-01-12 | 4 | FORM 4 | View Document |
| 2021-01-06 | 4/A | FORM 4/A | View Document |
| 2021-01-06 | 4/A | FORM 4/A | View Document |
| 2021-01-06 | 4/A | FORM 4/A | View Document |
| 2021-01-05 | 4 | FORM 4 | View Document |
| 2021-01-05 | 4 | FORM 4 | View Document |
| 2021-01-05 | 4 | FORM 4 | View Document |
| 2021-01-05 | 4 | FORM 4 | View Document |
| 2021-01-05 | 4 | FORM 4 | View Document |
| 2020-11-06 | 10-Q | FORM 10-Q | View Document |
| 2020-10-29 | 8-K | FORM 8-K | View Document |
| 2020-08-07 | 10-Q | FORM 10-Q | View Document |
